Hair iron



FIG. 1 is a perspective view of a hair iron showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another side view illustrating the hair iron connected to apower cord.

The broken line showing of environment is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for a hair iron, as shown and described.